Setting floating point variable as infinite

From	Rui Maciel <rui.maciel@gmail.com>
Newsgroups	comp.lang.c++
Subject	Setting floating point variable as infinite
Date	2012-03-23 12:27 +0000
Organization	Aioe.org NNTP Server
Message-ID	<jkhq7k$917$1@speranza.aioe.org> (permalink)

Show all headers | View raw

Consider a data set whose elements can be mapped to a particular floating 
point number.  In order to determine the smallest floating point number 
computed from each element from the set, is it a good idea to initialize a 
temporary float as infinite, compare the temporary float with the value 
mapped from each data element and then update the temporary if the mapped 
value is smaller?

More importantly, is there a better way to do this?


Thanks in advance,
Rui Maciel

Back to comp.lang.c++ | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-23 12:27 +0000
  Re: Setting floating point variable as infinite Marc <marc.glisse@gmail.com> - 2012-03-23 12:34 +0000
    Re: Setting floating point variable as infinite glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-03-23 12:39 +0000
      Re: Setting floating point variable as infinite gwowen <gwowen@gmail.com> - 2012-03-23 06:21 -0700
      Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-23 14:39 +0000
        Re: Setting floating point variable as infinite glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-03-23 20:06 +0000
  Re: Setting floating point variable as infinite Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-23 10:32 -0400
    Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-23 15:03 +0000
      Re: Setting floating point variable as infinite Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-23 11:50 -0400
        Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-23 19:01 +0000
          Re: Setting floating point variable as infinite Christian Gollwitzer <auriocus@gmx.de> - 2012-03-23 20:26 +0100
          Re: Setting floating point variable as infinite Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-23 19:10 -0400
            Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-24 11:43 +0000
        Re: Setting floating point variable as infinite Miles Bader <miles@gnu.org> - 2012-03-24 09:46 +0900
          Re: Setting floating point variable as infinite Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-23 23:42 -0400
            Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-24 11:31 +0000
            Re: Setting floating point variable as infinite Miles Bader <miles@gnu.org> - 2012-03-24 23:41 +0900
    Re: Setting floating point variable as infinite Andrea Venturoli <ml.diespammer@netfence.it> - 2012-03-24 13:05 +0100
      Re: Setting floating point variable as infinite Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-24 15:44 -0400
  Re: Setting floating point variable as infinite Leigh Johnston <leigh@i42.co.uk> - 2012-03-24 12:30 +0000
    Re: Setting floating point variable as infinite Gareth Owen <gwowen@gmail.com> - 2012-03-25 07:52 +0100
    Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-25 12:38 +0100
      Re: Setting floating point variable as infinite Leigh Johnston <leigh@i42.co.uk> - 2012-03-25 13:36 +0100
        Re: Setting floating point variable as infinite Leigh Johnston <leigh@i42.co.uk> - 2012-03-25 14:00 +0100
          Re: Setting floating point variable as infinite Leigh Johnston <leigh@i42.co.uk> - 2012-03-25 14:05 +0100
            Re: Setting floating point variable as infinite Rui Maciel <rui.maciel@gmail.com> - 2012-03-25 16:54 +0100

csiph-web